Huawei Airbridge BTS3606A Technical Manual
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Huawei Airbridge BTS3606A Technical Manual

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HUAWEI
Airbridge BTS3606A CDMA Base Station
Technical Manual
V200R001
1. System Description
2. System Principle

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Summary of Contents for Huawei Airbridge BTS3606A

  • Page 1 HUAWEI 1. System Description 2. System Principle Airbridge BTS3606A CDMA Base Station Technical Manual V200R001...
  • Page 2 T2-030266-20040602-C-2.10 Product Version V200R001 31026366 Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. Please feel free to contact our local office or company headquarters. Huawei Technologies Co., Ltd. Address: Administration Building, Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen, P. R. China...
  • Page 3 Copyright © 2004 Huawei Technologies Co., Ltd. All Rights Reserved No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks , HUAWEI, C&C08, EAST8000, HONET,...
  • Page 4 This manual applies to Airbridge BTS3606A CDMA Base Station V200R001. Organization This manual introduces the technical features, system architecture, and basic working principles of the Airbridge BTS3606A CDMA Base Station. It is divided into two modules: Module 1 System Description Introduce the features, structure, functions, reliability, operation and maintenance, and relevant technical specifications of the BTS3606A.
  • Page 5 Convention Description Arial Narrow Warnings, Cautions, Notes and T ips are in Arial Narrow. Boldface Headings are in Boldface. Terminal Display is in Courier New. Courier New　 II. Command conventions Convention Description Boldface The keywords of a command line are in Boldface. italic Command arguments are in italic.
  • Page 6 Format Description Press the keys in turn. For example, <Alt, A> means the two keys should <Key1, Key2> be pressed in turn. V. Mouse operation Action Description Click Press the left button or right button quickly (left button by default). Double Click Press the left button twice continuously and quickly.

  • Page 7: Table Of Contents

    Table of Contents Chapter 1 Introduction ......................1-1 1.1 Comparison between CDMA2000 1x and 1xEV-DO ............. 1-1 1.2 Huawei CDMA2000 1x / 1xEV-DO Hybrid Network Solution ......... 1-2 1.2.1 Brief Introduction to BSS/AN................1-3 1.2.2 Brief Introduction to CN ..................1-4 1.3 Position of BTS3606A ....................
  • Page 8 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Table of Contents 5.3 Software Reliability ....................5-4 Chapter 6 Operation and Maintenance System ..............6-1 6.1 Structure of the Operation and Maintenance System............ 6-1 6.1.1 Local Operation and Maintenance System............6-1 6.1.2 Mobile Integrated Network Management System ..........
  • Page 9 Airbridge BTS3606A CDMA Base Station List of Figures List of Figures Figure 1-1 Structure of Huawei CDMA2000 1x / 1xEV-DO hybrid network ......1-2 Figure 3-1 BTS3606A cabinet ..................3-1 Figure 3-2 A fully equipped BTS3606A cabinet ..............3-2 Figure 3-3 BTS3606A system structure................3-4 Figure 4-1 Close-loop power control ................
  • Page 10 Technical Manual System Description Airbridge BTS3606A CDMA Base Station List of Tables List of Tables Table 1-1 Comparison between CDMA2000 1x and 1xEV-DO .......... 1-1 Table 2-1 Application comparison among serial BTS products .......... 2-7 Table 3-1 Boards and modules of the BTS3606A ............. 3-2...

  • Page 11: Chapter 1 Introduction

    This chapter provides the compassion between the CDMA2000 1x and the 1xEV-DO technologies, and introduces the network solution of Huawei CDMA2000 1x / 1xEV-DO hybrid mobile communication system and the position of BTS3606A in this solution.

  • Page 12: Huawei Cdma2000 1X / 1Xev-Do Hybrid Network Solution

    The operation and maintenance of the system is implemented through an integrated mobile network management system. Figure 1-1 shows the network structure of Huawei CDMA2000 1x / 1xEV-DO hybrid system. As this manual aims to introduce the B TS3606A of the BSS/AN, the following figure emphasizes the network structure of the BSS/AN.

  • Page 13: Brief Introduction To Bss/An

    I. BTS The BTS transmits and receives radio signals to enable the communication between the radio network system and the Mobile Station/Access Terminal (MS/AT). Huawei provides a series of BTS products, including: BTS3606A: Outdoor BTS equipment supporting the CDMA2000 1x and CDMA2000 1xEV-DO standards.

  • Page 14: Brief Introduction To Cn

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 1 Introduction Mobility management Power control Radio resource management Provision of stable and reliable radio connections for the upper-level services through soft/hard handoff The PCF manages the Radio-Packet (R-P) connection. As radio resources are limited, they should be released when subscribers are not sending or receiving any information.

  • Page 15: Position Of Bts3606A

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 1 Introduction 1.3 Position of BTS3606A The following examines the position of the BTS3606A in the network and in the application. I. Position in the network The BTS3606A is located between the BSC and the MS/AT in the CDMA2000 1x / 1xEV-DO hybrid system.

  • Page 16: Chapter 2 Product Features

    The BTS3606A is designed in consideration of customers' requirements for service, capacity, coverage, transmission, power supply, installation and maintenance. It employs integrated design, which shows the customer-oriented service idea of Huawei. 2.1 Technical Features The BTS3606A has the following technical features: Support both the CDMA2000 1x and 1xEV-DO standards.

  • Page 17: Large-Scale Coverage

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 2 Product Features & Note: The BTS3606A supports the CDMA2000 1x and 1xEV-DO by using different types of channel processing boards. The Channel Element (CE) pool is employed in the CDMA2000 1x, but not in the 1xEV-DO.

  • Page 18: Flexible Networking Mode

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 2 Product Features 2.3 Flexible Networking Mode I. Networking interfaces The BTS3606A supports the networking by using E1 and T1 links. It supports Inverse Multiplexing for ATM (IMA), User Network Interface (UNI), and timeslot interface.
  • Page 19 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 2 Product Features The data backup function is also available. III. Alarm processing This function involves: Alarm collection Alarm clearing Alarm querying Alarm shielding Alarm filtering IV. Security management The security management function includes:...

  • Page 20: Powerful Environment Adaptability

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 2 Product Features X. Reverse maintenance function With the reverse maintenance function, users can, from the LMT, log in to the BAM through the network port on the BCKM to perform operation, maintenance and management over the whole BSS.

  • Page 21: Easy Upgrade And Expansion

    2.7 Serial Products for Seamless Coverage Huawei provides a series of BTS products to enable a seamless coverage for urban, suburb, and rural area, highway and hot area. Table 2-1 shows the application of various BTS products.

  • Page 22: Table 2-1 Application Comparison Among Serial Bts Products

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 2 Product Features Table 2-1 Application comparison among serial BTS products Max. sector Model Capacity Application Type carrier per cabinet Medium and small cities, Single- Indoor supporting Medium towns. Low requirement for...

  • Page 23: Chapter 3 Product Architecture

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 3 Product Architecture Chapter 3 Product Architecture This chapter introduces the physical features and configuration of the BTS3606A. 3.1 Cabinet Physical Features The BTS3606A cabinet is designed in accordance with the IEC297 standard.

  • Page 24: Cabinet Configuration

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 3 Product Architecture Nice appearance 3.2 Cabinet Configuration Figure 3-2 shows the configuration of the BTS3606A cabinet. Air exhaust vent Air exhaust vent Air exhaust vent Air exhaust vent +27V...

  • Page 25: System Structure

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 3 Product Architecture Acronyms Full name CCPM Compact - BTS Channel Process Module CECM Compact - BTS EVDO Channel Module CDDU Compact - BTS Dual Duplexer Unit CHPA Compact - BTS High power Amplifier...

  • Page 26: Baseband Subsystem

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 3 Product Architecture Um interface Abis Baseband subsystem interface RF subsystem MS/AT Antenna subsystem 220 V AC Power supply and environment monitoring subsystem or 110 V AC BTS3606A Figure 3-3 BTS3606A system structure 3.3.1 Baseband Subsystem...

  • Page 27: Antenna Subsystem

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 3 Product Architecture Performs noise factor– adjustable down-conversion, and channel-selective filtering. Finally sends the signals to the baseband subsystem. 3.3.3 Antenna Subsystem The antenna subsystem of the BTS3606A includes the RF antenna and the satellite synchronization antenna.

  • Page 28: Physical Interface

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 3 Product Architecture The temperature controller may be an air conditioner or a heat exchanger, which can ensure the normal operation of the BTS in the following ambient-temperature ranges: --Air conditioner: –40°C to 55°C --Heat exchanger: –40°C to 45°C...

  • Page 29: Chapter 4 Main Functions

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions Chapter 4 Main Functions The BTS3606A supports the following CDMA2000 1x standards: The Um interface supports the TIA/EIA IS -2000 Rel.A standard and is compatible with the TIA/EIA-95-A/B standard.

  • Page 30: Figure 4-1 Close-Loop Power Control

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions As the CDMA2000 1x system supports the high-speed data service, the requirement on forward power control becomes higher. The forward quick power control can control the transmit power of forward channel accurately.

  • Page 31: Handoff

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions The system transmits at the maximum allowed rate through the Control Channel (CC). The AT first transmits at 9.6 kbps, and then increases the rate gradually according to the Reverse Activity Bit (RAB) sent by the AN.

  • Page 32: Radio Configuration

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions A cell knows whether it is selected according to the DRC Cover. IV. Hard handoff In the hard handoff procedure, the MS firstly interrupts the connection with the previous cell, and then sets up the connection with the new cell.
  • Page 33 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions Forward Pilot Channel (F-PICH) It provides synchronization signals to the MSs operating in the BTS coverage. Different from other channels, the F-PICH is an unmodulated spread spectrum signal that is always in the transmitting status.

  • Page 34: Cdma2000 1Xev-Do Channel

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions The MS uses random access protocol to initiate access procedure. Regarding each supported paging channel, thirty-two access channels can be supported at most. Reverse Enhanced Access Channel (R-EACH) The MS uses this channel to initiate the communication with the BTS or respond to dedicated paging channel message.
  • Page 35 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions The Control Channel is similar to the paging channel in the CDMA2000 1x system. It broadcasts various overhead messages and transmits other uni-cast messages such as paging message.

  • Page 36: Multi-Carrier

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 4 Main Functions 4.5 Multi-carrier The BTS3606A supports multi-carrier technology. The single-carrier cabinet can hold both the single-carrier and multi-carrier modules. A single-carrier transceiver module (consisting of one CTRM and one CHPA) can process one carrier signal.

  • Page 37: Chapter 5 Reliability Design

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 5 Reliability Design Chapter 5 Reliability Design This chapter introduces the system reliability, hardware reliability, and software reliability design of the BTS3606A. 5.1 System Reliability The system reliability design involves the following aspects: I.

  • Page 38: Hardware Reliability

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 5 Reliability Design V. Redundancy design For the purpose of reliability, the system is designed with several sets of units performing the same function. The system will not fail unless the number of units failed amounts to the specified quantity.
  • Page 39 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 5 Reliability Design I. Protection against wrong insertion of boards When a board is inserted into a wrong slot, the special guide pins will prevent the board from touching the backplane. This avoids the possible damage to the equipment owing to wrong insertion.

  • Page 40: Software Reliability

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 5 Reliability Design When an error occurs to a module, an alarm is generated and sent to the BAM. The system also supports online insertion and removal of boards. 5.3 Software Reliability The software reliability design involves the following aspects: I.

  • Page 41: Chapter 6 Operation And Maintenance System

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 6 Operation and Maintenance System Chapter 6 Operation and Maintenance System The operation and maintenance system covers the local operation and maintenance system, and the M2000 Mobile Integrated Network Management System (hereafter briefed as M2000 system).

  • Page 42: Mobile Integrated Network Management System

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 6 Operation and Maintenance System After processing, the BAM sends these commands to the host (BSC or BTS) and then waits for the response. The BAM records the operation results (such as success, failure, timeout, or abnormality) and sends the results to the LMT in a specified format.

  • Page 43: Operation And Maintenance Function

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 6 Operation and Maintenance System Dialup Server PSTN M2000 Server E1,DDN,X.25, frame relay Figure 6-2 Networking of M2000 mobile integrated network management system The M2000 system completes the configuration management, performance management, and fault management.
  • Page 44 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 6 Operation and Maintenance System Before the execution of important commands, the system will show the possible execution results and prompt the user for confirmation. II. Alarm management The system performs centralized management over the alarms of the BSC and the BTS.
  • Page 45 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 6 Operation and Maintenance System Version query Status query Electronic label query Log management Equipment reset Resource blocking/unblocking Power supply management VI. Test management The test management facilitates fault location and the optimization of system performance.

  • Page 46: Chapter 7 Technical Specifications

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 7 Technical Specifications Chapter 7 Technical Specifications This chapter provides the engineering specifications, protection specification, capacity specifications, and performance specifications of the BTS3606A. 7.1 Structure and Environment Specifications The structure and environment specifications include cabinet dimensions, weight,...

  • Page 47: Capacity Specifications

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 7 Technical Specifications Cabinet dimensions 1700 mm x 1200 mm x 1000 mm (Height × Width×Depth) 220/230/240V AC: Single-phase/three-phase input Voltage range: 176 V to 264 V Frequency range: 47 Hz to 63 Hz Over-voltage protection when the voltage reaches 290V.

  • Page 48: Transmitter And Receiver Specifications

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 7 Technical Specifications The BTS3606A supports two types of channel processing boards: CCPM and CECM. The CCPM supports the CDMA2000 1x protocols, whereas the CECM supports the CDMA2000 1xEV-DO protocols.

  • Page 49: Transmitter And Receiver Specifications At 800 Mhz Band

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 7 Technical Specifications 7.3.2 Transmitter and Receiver Specifications at 800 MHz Band This following lists the BTS3606A transmitter and receiver specifications when the BTS3606A works at the 800 MHz band.

  • Page 50: Specifications For Odu3601C Cascading

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 7 Technical Specifications II. Receiver specifications Working band 1850 MHz to 1910 MHz Channel bandwidth 1.23 MHz Channel precision 50 kHz Single- carrier: Better than -127 dBm (RC3, main and diversity receiving)

  • Page 51: Chapter 8 Technical Standards

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 8 Technical Standards Chapter 8 Technical Standards 8.1 General Technical Specifications The BTS3606A is compliance with the following general technical specifications: TIA/EIA-97-D: Recommended Minimum Performance Standards for Base Stations Supporting Dual-mode Spread Spectrum Mobile Stations.

  • Page 52: Lightning Protection

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 8 Technical Standards ANSI T1.101: Synchronization Interface Standard. ITU -T G.707: (3/96) Network node interface for the synchronous digital hierarchy (SDH). ITU -T G.703: (10/98) Physical/electrical characteristics of hierarchical digital interfaces.

  • Page 53: Safety

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 8 Technical Standards ITU -T K.27 (1996) Bonding Configurations Earthing Inside Telecommunication Building. ETS 300 253(1995) Equipment Engineering; Earthing and bonding of telecommunication equipment in telecommunication centres. 8.5 Safety The BTS3606A is compliance with the following safety requirements: GB4943-2000: Safety of information technology equipment.

  • Page 54: Environment

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 8 Technical Standards IEC 61000-3-3 (1995): Electromagnetic compatibility (EMC) - Part 3: Limits - Section 3: Limitation of voltage fluctuations and flicker in low-voltage supply systems for equipment with rated current = 16 A.
  • Page 55 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 8 Technical Standards IEC 60721-3-3 (1994): Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use at weather protected locations.

  • Page 56: Chapter 9 Abbreviations And Acronyms

    Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 9 Abbreviations and Acronyms Chapter 9 Abbreviations and Acronyms 1xEV-DO Single 1.25MHz carrier Evolution - Data Optimized 1xEV-DV Single 1.25MHz carrier Evolution - Data and Voice 3GPP2 3rd Generation Partnership Project 2...
  • Page 57 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 9 Abbreviations and Acronyms Center Processing Unit CRCM Compact - BTS Radio Up-Down Convert Module CSLM Compact - BTS Serial port Lightning proof Module CTBM Compact - BTS Transceiver Backplane Module...
  • Page 58 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 9 Abbreviations and Acronyms ISDN Integrated Services Digital Network Local Maint e nance Terminal Low Noise Amplifier Media Access Control Mobile Internet Protocol Man-Machine Language Mobile Station Mobile Switching Center...
  • Page 59 Technical Manual System Description Airbridge BTS3606A CDMA Base Station Chapter 9 Abbreviations and Acronyms R-ACH Reverse Access Channel Radio Configuration R-DCCH Reverse Dedicated Control Channel R-EACH Reverse Enhanced Access Channel R-FCH Reverse Fundamental Channel RLDU Receive LNA Distribution Unit Radio-Packet...

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